feat: add tasks to build sensu-agent

defaults/main.yml

@@ -2,6 +2,10 @@
 sensu_agent: yes
 sensu_backend: no
 
+sensu_build_agent: no
+sensu_build_go_version: 1.7
+sensu_build_version: 5.1.1
+
 sensu_repository_system: '{{ ansible_distribution|lower }}'
 sensu_repository_release: '{{ ansible_distribution_release }}'
 

tasks/build_agent.yml

@@ -0,0 +1,57 @@
+---
+- name: install build dependencies
+  apt:
+    name: 'golang-{{ sensu_build_go_version }}'
+  tags: sensu
+
+- name: check if binary exist
+  stat:
+    path: /usr/local/bin/sensu-agent
+  register: bin
+  tags: sensu
+
+- name: download source code
+  git:
+    repo: https://github.com/sensu/sensu-go/
+    version: '{{ sensu_build_version }}'
+    dest: /usr/local/src/sensu-go
+  when: git.changed or not bin.stat.exists
+  tags: sensu
+
+- name: install dependencies
+  command:
+  args:
+    chdir: /usr/local/src/sensu-go
+    argv:
+      - '/usr/lib/go-{{ sensu_build_go_version }}/bin/go'
+      - get
+      - ./cmd/sensu-agent/
+  environment:
+    GOPATH: /usr/local/src/go
+    GOBIN: /usr/local/src/go/bin
+  when: git.changed or not bin.stat.exists
+  tags: sensu
+
+- name: build program
+  command:
+  args:
+    chdir: /usr/local/src/sensu-go
+    argv:
+      - '/usr/lib/go-{{ sensu_build_go_version }}/bin/go'
+      - build
+      - '-o'
+      - /usr/local/bin/sensu-agent
+      - main.go
+  environment:
+    GOPATH: /usr/local/src/go
+    GOBIN: /usr/local/src/go/bin
+  when: git.changed or not bin.stat.exists
+  tags: go
+
+- name: set permission on binary
+  file:
+    path: /usr/local/bin/sensu-agent
+    owner: root
+    group: root
+    mode: 0755
+  tags: go